The official Pokémon movie website has updated. Translations follow:
Media Information
Magazines:
Saturday June 30th: "Pucchigumi" - Presentation of highlights of Pikachu & Eievui
Saturday June 30th: "TV-kun" - Presentation of movie theater merchandise etc.
Tuesday July 3rd: "Ciào" - Announcement of the results of the drawing contest
Wednesday July 4th: "Nikkei Entertainment!" - Interview (Kunihiko Yuyama)
Wednesday July 4th: "TVstation" - Interview (Mana Ashida)
Wednesday July 4th: "Weekly Shonen Sunday!" - Announcement of the results of the drawing contest
Friday July 6th: "Chunichi Shimbun" - Interview (Masako Nozawa + Shoko Nakagawa)
*Note that these are the scheduled publication dates, and as such are subject to change without notice.
Source:
http://www.pokemon-movie.jp/news/?p=3364